1355425340515 has 8 divisors (see below), whose sum is σ = 1626540381360. Its totient is φ = 1084320290592.

The previous prime is 1355425340509. The next prime is 1355425340519. The reversal of 1355425340515 is 5150435245531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1355425340515 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1355425340519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2195949 + ... + 2744638.

It is an arithmetic number, because the mean of its divisors is an integer number (203317547670).

Almost surely, 2^{1355425340515} is an apocalyptic number.

1355425340515 is a deficient number, since it is larger than the sum of its proper divisors (271115040845).

1355425340515 is an equidigital number, since it uses as much as digits as its factorization.

1355425340515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4995461.

The product of its (nonzero) digits is 900000, while the sum is 43.

The spelling of 1355425340515 in words is "one trillion, three hundred fifty-five billion, four hundred twenty-five million, three hundred forty thousand, five hundred fifteen".